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Yokoyama Yasushi

Professor
Division of Materials Science and Chemical Engineering
Yokohama National University
Japan

Biography

l Attended (except graduate school) The University of Tokyo , Faculty of Science , Department of Chemistry 1975 , Graduated Graduate School Attended, etc. The University of Tokyo , Graduate School, Division of Science , Department of Chemistry Doctor Course , 1980 , Completed Degree Ph. D. (Science) , The University of Tokyo , 1980/03 Research Career Professor, Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University , 2001/04 - Ongoing Professor, Department of Materials Sciences and Chemical Engineering, Faculty of Engineering, Yokohama National University , 1999/04 - 2001/03 Associate Professor, Department of Materials Sciences and Chemical Engineering, Faculty of Engineering, Yokohama National University , 1991/12 - 1999/03 Research Associate, Department of Materials Sciences and Chemical Engineering, Faculty of Engineering, Yokohama National University , 1985/04 - 1991/11 Research Associate, Department of Materials Chemistry, Faculty of Engineering, Yokohama National University , 1980/04 - 1985/03

Research Interest

Career Research 1985.8 - 1986.9 Post Doctoral Research Fellow, Department of Chemistry, University of Pennsylvania, USA (Mentor: Professor Amos B. Smith, III)  1996.4 - 1996.9 Honourary Research Fellow, University College London, UK  2007.4 - 2009.3 Research Professor, Chemistry, Graduate School of Sceince, The University of Tokyo Research Field (grants-in-aid-for-scientific-research classification) Functional solid state chemistry Organic and hybrid materials Current Subject Creatiion of Novel and High-performance Photochromic Compounds Photochromism , Organic Synthesis Development of Novel liquid Crystalline Compounds Liquid Crystal Development of Photon-mode Optical Memory Media Photochromism , Non-destructive Readout , High-density Optical Recording Development of Novel Materials for Auto-Regulation of Optical Properties Photochromism , Autophotoregulation

Publications

  • All-Optical Fine-Tuning of Absorption Band of Diarylethene with Photochromic Acid-Generating Spiropyran (Sara Kusumoto, Tetsuya Nakagawa, Yasushi Yokoyama) Adv. Opt. Mater. vol.4 (9) (p.1350-1353) 2016/09

  • Gated Photochromic System of Diarylethene with a Photon-Working Key (Sadegh Mahvidi, Sakiko Takeuchi, Sara Kusumoto, Tetsuya Nakagawa, Yasushi Yokoyama) Org. Lett. vol.18 (19) (p.5042-5045) 2016/10

  • Photocyclization of Photoswitches with High Enantioselectivity in Huma Serum Albumin in an Artificial Environment (Koichi Kawamura, Ken Osawa, Yuta Watanobe, Yuri Saeki, Naoki Maruyama, Yasushi Yokoyama) Chem. Commun. vol.53 (22) (p.3181-3184) 2017/03

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